Last month, Mozilla started collecting opinions from users about YouTube’s recommendation system as part of its campaign #YouTubeRegrets. During the campaign, the company had mentioned that these opinions will be put up on the web or social media. Now, Mozilla has picked 28 stories from the campaign describing how people got stuck in YouTube’s recommendation rabbit hole.

While there is a dedicated website for kids now, people used to visit the normal YouTube website until a while back where people are served standard content irrespective of their age. This parent had a shocking revelation when he/she found out what kind of train videos his/her child had been exposed to.

“When my son was preschool age, he liked to watch “Thomas the Tank Engine” videos on YouTube. One time when I checked on him, he was watching a video compilation that -contained graphic depictions of train wrecks.”